Get to the middle of those ridiculous hot days and the temperature inside the attic could easily top out at 125 degrees f or even higher.
Attic is over 125 degrees.
The sweat runs off you in rivers.
And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature.
They have done much of their testing in las vegas and phoenix where conditions are the worst and 150 degree attic temperatures are common.
If it s 90 degrees outside the attic temperatures shouldn t exceed 110 according to home inspector jamison brown of amerispec home inspection services in poquoson.
However more often than not.
In a standard attic with soffits and ridge vent the air s really not moving much.
Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.
If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals.
Some attics i ve worked in topped 140 ish.
To avoid rotting wood clumping insulation and mold your attic needs to be properly ventilated.
An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.